Syrphophagus taeniatus (Förster, 1861)

Jerinić-Prodanović, Dušanka, Mihajlović, Ljubodrag & Stojanović, Aleksandar, 2019, Parasitoids of jumping plant-lice (Psylloidea, Hemiptera) from the family Encyrtidae (Hymenoptera, Chalcidoidea) in Serbia, Zootaxa 4577 (1), pp. 29-50 : 40-41

Syrphophagus taeniatus (Förster, 1861)

( Figs. 54–55 )

Material examined. Cacopsylla bidens , from Pyrus communis, Begeč , 09.vi.2008. ex pupa 16.vi.2008. 2♀♀ 1♂. Beograd-Karaburma, 16.xi.2006. ex pupa 26.xi.2006. 2♂♂; Fruška gora, Kurjakovac, 02.x.2008. ex pupa 2♀♀,

Zemun-fakultet, 24.vi.2006. ex pupa 28.vi.2006. 1♀; 13.vii.2006. ex pupa 17.vii.2006. 3♀♀; 21.vi.2007. ex pupa 22.vi.2007. 1♀ 1♂; 06.v.2009. ex pupa 2♀♀, 08.x.2009. ex pupa 1♀, 25.v.2010. ex pupa 4♀♀. Cacopsylla peregrina , from Crataegus monogyna, Ilinci , 20.v.2006. ex pupa 5♀♀ 1♂ as hyperparasitoid. Cacopsylla pyri , from Pyrus communis, Radmilovac , 07.v.2007. ex pupa 16.v.2007. 3♀♀ as hyperparasitoid; Novi Sad, 03.v.2008. ex pupa 1 ♂. 07.ix.2008. ex pupa 3♀♀; 20.vi.2012. ex pupa 27.vi.2012. 1♀ 1♂. Psyllopsis fraxinicola , from Fraxinus excelsior, Zemun-Nova Galenika , 31.v.2007. ex pupa 10.vi.2007. 3♀♀ as hyperparasitoid.

Trophic status. Parasitoid or hyperparasitoid.

Hosts. Psyllidae ( Cacopsylla peregrina , C. pyri ) (Noyes 2017).

Distribution. West Palearctic and Central Asia.

Diagnosis. Flagellar segments regularly enlarged at apex. Sculpture on scutellum rougher than sculpture on mesoscutellum. Scutellum matt. The specimens are in accordance to the description by Trjapitzin (1989) and Japoshvili (2007).

Comments. In this study, Syrphophagus taeniatus was reared from four species of jumping plant-lice: C. bidens , C. peregrina , C. pyri and Psyllopsis fraxinicola ( Table 2).

S. taeniatus is reported as a primary as well as secondary parasitoid. It was cited by Noyes (2017) as a primary parasitoid of the nymphs of C. peregrina and C. pyri . However, Herard (1986) found that S. taeniatus is a hyperparasitoid. He reared S. taeniatus from nymphs of C. pyri that had already been parasitized by Prionomitus mitratus .

In Serbia, Grbić et al. (1989) reared S. taeniatus from nymphs of C. pyri , without clearly stating whether it was a primary or a hyperparasitoid.

In this study, Syrphophagus taeniatus is recorded in association with Cacopsylla bidens and Psyllopsis fraxinicola for the first time. In several cases, we found that S. taeniatus was a hyperparasitoid when psyllid hosts were C. pyri , C. peregrina and Ps. fraxinicola .

Figures

FIGURES 50–61. 50, Dorsal view of Syrphophagus ariantes (original); 51, Sculpture of mesocutum and scutellum, Syrphophagus ariantes (original); 52, Ocellus, Syrphophagus ariantes (original); 53, Antenna, Syrphophagus ariantes (original); 54, Syrphophagus taeniatus (original); 55, Antenna, ♀ Syrphophagus taeniatus (original); 56, Dorsal view of Trechnites flavipes (original); Figure 57. Antenna ³ Trechnites flavipes (dorsal) (original), 58, Antenna ³ Trechnites flavipes (lateral) (original); 59, Trechnites insidiosus (original), habitus; 60, Dorsal view of Trechnites insidiosus (original); 61, Antenna, female Trechnites insidiosus (original).